36 security software engineer jobs at 23 companies in Tappahannock, VA
2w
Save
Mark Applied
Hide
2w
Software Engineer – Full-Stack / Simulation
Fredericksburg, Virginia, United States
$112k-$146k/yrOnsiteFull Time
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
4+ YOE4+ years software development experience; strong skills in modern languages, web visualization, secure real-time data pipelines, game-engine simulation, and AI/ML integration; US citizenship and ability to obtain security clearance.
Glastonbury or Duluth or Goldsboro or Charlotte or Columbus or Raleigh or Glen Allen or Scottsdale
$89k-$118k/yrHybridFull Time
Atlantic Casualty: Provides excess and surplus lines commercial insurance solutions.
1+ YOEDevelop and maintain secure, reliable software; experience with C#, .NET, web technologies, RESTful APIs, SQL, and Git; BS in CS preferred; minimum 1 year programming experience.
Platform Aerospace: Provides unmanned aircraft systems and rapid aircraft modification services.
2+ YOEBachelor's in engineering, 2+ years software development experience, embedded systems experience, proficiency in C/C++ and familiarity with Python, experience with debugging/testing/version control, ability to obtain security clearance, strong communication and problem-solving skills.
ManTech: Provides technology solutions for defense and intelligence agencies.
1+ YOEBachelor's in CS/SE/CE/Math or related, 1+ years software development experience, applied C/C++ and Java, agile experience, Secret security clearance required.
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, 4+ years software engineering experience, 1+ year cloud experience; preferred: Master's, extensive experience in Python/Java/TypeScript/SQL, AWS and schema validation systems, infrastructure as code, and security or AWS certifications.
Go, Python, TypeScript, SQL, CUE, JSON Schema, PostgreSQL, Aurora, Docker, ECS Fargate, Lambda, Step Functions, EventBridge, CDK, AWS, Microsoft Azure, Google Cloud, Java, JavaScript, Terraform, CloudFormation, GitHub Copilot, Claude Code
Saalex: Provides engineering, IT, and mission support for defense agencies.
1+ YOERequires C# development experience, Agile/SDLC familiarity, debugging/testing skills, bachelor's degree in CS/SE/Engineering, 1–3 years experience, and active Secret security clearance.
Tactical Engineering & Analysis: Provides systems engineering and analysis for military combat systems.
Bachelor's in STEM required. Strong experience with Java and C++, Git/GitLab, DevSecOps, Gradle, SonarQube; ability to lead/mentor developers and participate in Agile; ability to obtain US security clearance.
Redhorse: Delivering data insights and technology solutions to government agencies.
6+ YOEActive TS/SCI clearance; BS in CS/CE/SE/EE/Info Security; 6+ years software/ops; 4+ years in CNO; 2+ years automation (Python/Bash/PowerShell/Ansible); Linux admin; Git/Jira/GitLab; Docker/Podman; leadership; able to work independently.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years embedded systems experience with microcontrollers/FPGA, proficiency in C/C++, SPI/UART, ability to read schematics/datasheets, security clearance (Secret) required.
Zekiah Technologies: Provides software development and geospatial engineering services.
5+ YOE5+ years professional software development experience, U.S. citizenship and ability to obtain/maintain Secret clearance, CompTIA Security+ or higher, proficiency in one listed language/platform, Agile experience preferred.
AMEWAS: Provides engineering, testing, and evaluation services for defense systems.
Bachelor's in CS or related, experience with C/C++, CMake, Bash/Python3, Git/Jira, ability to obtain DoD security clearance, cross-platform development experience preferred.
Atlanta or Woodland Hills or Mason or Richmond or Denver or Mendota Heights
$142k-$222k/yrHybridFull Time
Elevance HealthNYSE: ELV: Provides health insurance plans and integrated healthcare services.
7+ YOEBA/BS in IT/CS plus 7+ years multi-platform software engineering; experience building/integrating AI agents, cloud-native development, secure SDLC, and healthcare/regulatory experience preferred.
Virginia Retirement System: Independent agency administering retirement benefits for Virginia public employees.
7+ YOE2+ MgmtBachelor's in computer science,7+ years ASP/.NET development experience,2+ years team lead experience,expertise in ASP.NET,C#,MS SQL,secure coding,ability to support production and participate in on-call rotation.
Analytic Support/ Software Sustainment and Engineer
Quantico or Dayton
OnsiteFull Time
Quick Services: Provides specialized intelligence and security services to defense agencies.
5+ YOEBachelor's plus 5+ years in software engineering and sustainment including maintenance, databases, requirements analysis, defect triage, version control, scripting, test/validation, and secure environment experience. TS/SCI required.
Exiger: AI-powered supply chain risk and compliance management software.
6+ YOEBachelor's or Master's (or equivalent), 6+ years software/systems engineering with >=4 years in SRE or production/platform reliability, strong Linux/Unix and networking knowledge, experience with SLIs/SLOs, observability, automation, chaos engineering, incident management, and familiarity with AWS and secure/gov environments.
Sigmatech: Provides specialized engineering, technical, and programmatic support for government agencies.
7+ YOESeven+ years in developing and executing test strategies for complex software systems; experience with test tools, DevSecOps, cloud/on-prem, and security concepts.
AWS GovCloud, Azure Government, Docker, Kubernetes, Infrastructure as Code
Waltham or Culver City or Richmond or West Valley City or Lexington or Little Rock or Allen or Phoenix or Mesa or Scottsdale or Beltsville or Birmingham or Chicago or Brentwood or Plantation or Schaumburg or Atlanta
$140k-$170k/yrRemoteFull Time
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
8+ YOEU.S. citizen required. 8+ years cloud infrastructure experience, 5+ years software engineering, 2+ years Kubernetes/Docker. Experience with AWS, Terraform, Helm, MySQL, CI/CD, Git, Linux/Bash, and security/compliance frameworks; ability to obtain required security clearance.
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
0+ YOEC or C++ development experience,Bachelor's in technical field or equivalent,0-5 years experience,ability to obtain DoD security clearance,valid driver's license,good communication and problem-solving skills.